XSS in Haml
CVE-2017-1002201
In haml versions prior to version 5.0.0.beta.2, when using user input to perform tasks on the server, characters like < > " ' must be escaped properly. In this case, the ' character was missed. An attacker can manipulate the input to introduce additional attributes, potentially executing code.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.015 (70.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Haml
- Http://haml.info/ Haml — versions All versions prior to version 5.0.0.beta.2
- Debian Debian_linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- josh@bress.net (Patch, Third Party Advisory, x_refsource_MISC)
- josh@bress.net (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory)
- josh@bress.net (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- josh@bress.net (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- josh@bress.net (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-1002201?
- CVE-2017-1002201 is a medium-severity vulnerability in Haml, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-10-15.
- How severe is CVE-2017-1002201?
- Medium severity. CVSS v3 base score is 6.1 out of 10.